Android 8.0 隐藏 Launcher3

packages\apps\Launcher3\AndroidManifest.xml

 <activity
            android:name="com.android.launcher3.Launcher"
            android:launchMode="singleTask"
            android:clearTaskOnLaunch="true"
            android:stateNotNeeded="true"
            android:windowSoftInputMode="adjustPan"
            android:screenOrientation="nosensor"
            android:configChanges="keyboard|keyboardHidden|navigation"
            android:resizeableActivity="true"
            android:resumeWhilePausing="true"
            android:taskAffinity=""
            android:enabled="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
--                <category android:name="android.intent.category.HOME" />
                <category android:name="android.intent.category.DEFAULT" />
--                <category android:name="android.intent.category.MONKEY"/>
--                <category android:name="android.intent.category.LAUNCHER_APP" />
            </intent-filter>
        </activity>